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#$Date: 2014-07-12 11:06:43 +0300 (Sat, 12 Jul 2014) $
#$Revision: 120115 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/99/9009937.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9009937
loop_
_publ_author_name
'Felsche, J.'
_publ_section_title
;
 Zur kristallstruktur von beta-aluminiumoxid
 Note: x,y coordinates of O3 altered to produce a more reasonable structure
 Locality: synthetic
;
_journal_name_full               Naturwissenschaften
_journal_page_first              612
_journal_page_last               613
_journal_volume                  54
_journal_year                    1967
_chemical_formula_sum            'Al11 Na O17'
_chemical_name_mineral           Diaoyudaoite
_space_group_IT_number           194
_symmetry_space_group_name_Hall  '-P 6c 2c'
_symmetry_space_group_name_H-M   'P 63/m m c'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                120
_cell_length_a                   5.5962
_cell_length_b                   5.5962
_cell_length_c                   22.526
_cell_volume                     610.944
_exptl_crystal_density_diffrn    3.217
_[local]_cod_chemical_formula_sum_orig 'Na Al11 O17'
_cod_database_code               9009937
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x,-x+y,1/2+z
x,x-y,1/2-z
-x+y,-x,1/2-z
x-y,x,1/2+z
-y,-x,z
y,x,-z
y,-x+y,-z
-y,x-y,z
x-y,-y,1/2+z
-x+y,y,1/2-z
x,y,1/2-z
-x,-y,1/2+z
x,x-y,z
-x,-x+y,-z
x-y,x,-z
-x+y,-x,z
y,x,1/2+z
-y,-x,1/2-z
-y,x-y,1/2-z
y,-x+y,1/2+z
-x+y,y,z
x-y,-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Na 0.66667 0.33333 0.25000
Al1 0.16667 0.33333 0.60601
Al2 0.33333 0.66667 0.02480
Al3 0.33333 0.66667 0.17580
Al4 0.00000 0.00000 0.00000
O1 0.16667 0.33333 0.04950
O2 0.50000 0.00000 0.14630
O3 0.33333 0.66667 0.55400
O4 0.00000 0.00000 0.14210
O5 0.33333 0.66667 0.25000
_journal_paper_doi 10.1007/BF00591419